Alexa Internet, Inc. is a US-based company that provides commercial web traffic data and analytics. It is a wholly owned subsidiary of Amazon.com. Alexa provides traffic data, global rankings and other information on 30 million websites

Alexa measures the traffic on your website and provide a numerical value to rank your domain in search engines. Alexa rank can be improved by good content update and also by building backlinks from other relevant sources.

Alexa Ranking - A Web Site Monetization Strategy. The algorithm according to which Alexa traffic ranking is calculated, is simple. It is based on the amount of traffic recorded from users that have the Alexa toolbar installed over a period of three months.